AQA
GCSE
COMBINED SCIENCE: SYNERGY
Higher Tier Paper 2 Life and
Environmental Sciences
Thursday 25 May 2023
, 2
Do not write
outside the
box
0 1 All living organisms are made of cells.
Figure 1 shows two types of cell.
Figure 1
Cell A Cell B
Bacterial cell Liver cell
4.4 micrometres 28.6 micrometres
Not to scale
0 1 . 1 Calculate how many times longer the liver cell is than the bacterial cell.
[2 marks]
Number of times longer =
G/Jun23/8465/2H
, 3
Do not write
outside the
box
0 1 . 2 Compare the structure of cell A with the structure of cell B.
You should include similarities and differences in your answer.
Do not refer to cell size.
[4 marks]
0 1 . 3 In multicellular organisms, cells are organised into tissues.
What is meant by a ‘tissue’?
[1 mark]
Question 1 continues on the next page
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G/Jun23/8465/2H
, 4
Do not write
outside the
box
A scientist investigated the effect of different concentrations of sugar solution on
red blood cells.
Figure 2 shows the effect of placing a red blood cell into a sugar solution.
Figure 2
Red blood cell before being Red blood cell after being
placed in sugar solution placed in sugar solution
0 1 . 4 What conclusion can be made from the result in Figure 2?
[1 mark]
Tick (✓) one box.
The sugar solution was less concentrated than inside the cell.
The sugar solution was the same concentration as inside the cell.
The sugar solution was more concentrated than inside the cell.
G/Jun23/8465/2H
GCSE
COMBINED SCIENCE: SYNERGY
Higher Tier Paper 2 Life and
Environmental Sciences
Thursday 25 May 2023
, 2
Do not write
outside the
box
0 1 All living organisms are made of cells.
Figure 1 shows two types of cell.
Figure 1
Cell A Cell B
Bacterial cell Liver cell
4.4 micrometres 28.6 micrometres
Not to scale
0 1 . 1 Calculate how many times longer the liver cell is than the bacterial cell.
[2 marks]
Number of times longer =
G/Jun23/8465/2H
, 3
Do not write
outside the
box
0 1 . 2 Compare the structure of cell A with the structure of cell B.
You should include similarities and differences in your answer.
Do not refer to cell size.
[4 marks]
0 1 . 3 In multicellular organisms, cells are organised into tissues.
What is meant by a ‘tissue’?
[1 mark]
Question 1 continues on the next page
Turn over ▶
G/Jun23/8465/2H
, 4
Do not write
outside the
box
A scientist investigated the effect of different concentrations of sugar solution on
red blood cells.
Figure 2 shows the effect of placing a red blood cell into a sugar solution.
Figure 2
Red blood cell before being Red blood cell after being
placed in sugar solution placed in sugar solution
0 1 . 4 What conclusion can be made from the result in Figure 2?
[1 mark]
Tick (✓) one box.
The sugar solution was less concentrated than inside the cell.
The sugar solution was the same concentration as inside the cell.
The sugar solution was more concentrated than inside the cell.
G/Jun23/8465/2H